void repere::Teste()
{
QPolygonF box1;
box1 << QPointF(50,50)<< QPointF(80,50)<< QPointF(80,60)<< QPointF(70,60)<< QPointF(70,70)<< QPointF(50,70);
QGraphicsPolygonItem *P;
P=Scene->addPolygon(box1,QPen(Qt::darkGray),QBrush(Qt::darkGray));
QPolygonF box2;
box2 << QPointF(20,20)<< QPointF(51,20)<< QPointF(51,51)<< QPointF(20,51);
QGraphicsPolygonItem *P2;
P2=Scene->addPolygon(box2,QPen(Qt::red),QBrush(Qt::red));
//P->collidingItems()
qDebug()<< P->collidesWithItem(P2);
QPainterPath s,s2,s3;
s= P->shape();
s2=P2->shape();
//Scene->addPath(s,QPen(Qt::magenta),QBrush(Qt::yellow));
Scene->addText("o")->setPos(85,85);
QGraphicsLineItem *l;
l=Scene->addLine(90,65,70,65,QPen(Qt::red));
s2=l->shape();
qDebug()<< "intersects: "<<s.intersects(s2);
//qDebug()<< "intersected: "<<s.intersected(s2);
s3=s.intersected(s2);
Scene->addLine(50,65,50,65,QPen(Qt::green));
Scene->addLine(70,65,70,65,QPen(Qt::green));
qDebug()<< "intersected2:"<<P->shape().intersected(l->shape()).elementAt(1)<<s3.elementAt(1);
qDebug()<< "intersected a:"<<P->shape().intersected(l->shape());
qDebug()<< "intersected b:"<<l->shape().intersected(P->shape());
vector<QGraphicsPolygonItem*> obstaculos;
obstaculos.push_back(P);
obstaculos.push_back(P2);
/* QImage *image = new QImage(QSize(400,400),QImage::Format_ARGB32);
image->fill(QColor(Qt::white).rgb());
QPainter *pngPainter = new QPainter(image);
pngPainter->setRenderHint(QPainter::Antialiasing);
Scene->render(pngPainter);
pngPainter->end();
image->setText();
//image->save(nom+".png","PNG",100);
*/
}
